/*
Copyright 2022 The Katalyst Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package record

import (
	"fmt"
	"sync"

	"github.com/kubewharf/katalyst-core/pkg/client"
	"github.com/kubewharf/katalyst-core/pkg/config"
	"github.com/kubewharf/katalyst-core/pkg/metaserver"
	"github.com/kubewharf/katalyst-core/pkg/metrics"
)

var initializers sync.Map

type InitOptions struct {
	Conf       *config.Configuration
	MetaServer *metaserver.MetaServer
	Emitter    metrics.MetricEmitter
	ClientSet  *client.GenericClientSet
}

type InitFunc func(InitOptions) (EvictionRecordManager, error)

func RegisterEvictionRecordManagerInitializer(name string, initFunc InitFunc) {
	initializers.Store(name, initFunc)
}

func GetEvictionRecordManager(name string, options InitOptions) (EvictionRecordManager, error) {
	initializer, ok := initializers.Load(name)
	if !ok {
		return nil, fmt.Errorf("eviction record manager %s not found", name)
	}

	return initializer.(InitFunc)(options)
}
